code: def try_import_jax(error: bool = False):
      """Tries importing JAX and FLAX and returns both modules (or Nones).
  
      Args:
          error: Whether to raise an error if JAX/FLAX cannot be imported.
  
      Returns:
          Tuple containing the jax- and the flax modules.
  
      Raises:
          ImportError: If error=True and JAX is not installed.
      """
      if "RLLIB_TEST_NO_JAX_IMPORT" in os.environ:
          logger.warning("Not importing JAX for test purposes.")
          return None, None
  
      try:
          import jax
          import flax
      except ImportError:
          if error:
              raise ImportError(
                  "Could not import JAX! RLlib requires you to "
                  "install at least one deep-learning framework: "
                  "`pip install [torch|tensorflow|jax]`."
              )
          return None, None
  
      return jax, flax
  
imports: import logging
  import numpy
  import os
  import sys
  from typing import Any, Optional
  from ray.rllib.utils.annotations import DeveloperAPI, PublicAPI
  from ray.rllib.utils.deprecation import Deprecated
  from ray.rllib.utils.typing import TensorShape, TensorType
label_desc: Use image node_id 1 for calling a global function with example usage: try_import_jax(error) and returns: jax,  flax, None,  None, None,  None